Q.

A weather balloon having 150 L volume when filled with  H2 gas had a pressureof 1.1 atmosphere. What volume the balloon would have when the balloon rises to 1000 m where the atmospheric pressure is 0.9 atm. Assume that the temperature is constant.

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answer is 183.33.

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Detailed Solution

Since temperature is constant, it is Boyle's law.P1=1.1atm,V1=150L;P2=0.9atm,V2=?P1V1=P2V21.1atm×150L=0.9atm×V2;V2=1.1atm×150L0.9atm=183.33 L
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A weather balloon having 150 L volume when filled with  H2 gas had a pressureof 1.1 atmosphere. What volume the balloon would have when the balloon rises to 1000 m where the atmospheric pressure is 0.9 atm. Assume that the temperature is constant.